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8843 (1990 OH)
Classification: Main-belt Asteroid          SPK-ID: 2008843
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .302323770228074 7.9034e-08  
a 2.65770939433872 1.7508e-08 AU
q 1.854220670071667 2.0403e-07 AU
i 13.25580448044755 9.4103e-06 deg
node 216.9798120566867 2.6749e-05 deg
peri 132.7238639419833 3.0991e-05 deg
M 158.0918996395803 1.451e-05 deg
tp 2456105.528841871787
(2012-Jun-27.02884187)
6.0261e-05 JED
period 1582.558103840498
4.33
1.5638e-05
4.281e-08
d
yr
n .2274797993996961 2.2478e-09 deg/d
Q 3.461198118605774 2.2801e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      650  
   data-arc span      8658 days (23.70 yr)  
   first obs. used      1990-07-22  
   last obs. used      2014-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59306  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:55:23  

Additional Information
 Earth MOID = .876143 AU 
 T_jup = 3.284 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a PDS3 (MPC 31909)  

8843 (1990 OH)          Discovered 1990-Jul-22 by Helin, E. F. at Palomar (675)
Reference: 19980610/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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